THOMPSON, Mary Elizabeth (1896 - 1981)
(Amgueddfa Cymru regrets that we are not able to provide an image for this item at this time. This is either due to copyright restrictions, or the item is awaiting digitisation. We apologise for any inconvenience caused.)
Date: 1950, February
Media: pencil and chalk crayon on paper
Size: 884 x 680 mm
Acquired: 1954; Gift
Accession Number: 54.426/28
Drawing of the primary jaw crusher at Penmaenmawr granite quarry.